Fix.

node_modules/node-notifier/index.js

@@ -0,0 +1,52 @@
+var os = require('os');
+var utils = require('./lib/utils');
+
+// All notifiers
+var NotifySend = require('./notifiers/notifysend');
+var NotificationCenter = require('./notifiers/notificationcenter');
+var WindowsToaster = require('./notifiers/toaster');
+var Growl = require('./notifiers/growl');
+var WindowsBalloon = require('./notifiers/balloon');
+
+var options = { withFallback: true };
+
+var osType = utils.isWSL() ? 'WSL' : os.type();
+
+switch (osType) {
+  case 'Linux':
+    module.exports = new NotifySend(options);
+    module.exports.Notification = NotifySend;
+    break;
+  case 'Darwin':
+    module.exports = new NotificationCenter(options);
+    module.exports.Notification = NotificationCenter;
+    break;
+  case 'Windows_NT':
+    if (utils.isLessThanWin8()) {
+      module.exports = new WindowsBalloon(options);
+      module.exports.Notification = WindowsBalloon;
+    } else {
+      module.exports = new WindowsToaster(options);
+      module.exports.Notification = WindowsToaster;
+    }
+    break;
+  case 'WSL':
+    module.exports = new WindowsToaster(options);
+    module.exports.Notification = WindowsToaster;
+    break;
+  default:
+    if (os.type().match(/BSD$/)) {
+      module.exports = new NotifySend(options);
+      module.exports.Notification = NotifySend;
+    } else {
+      module.exports = new Growl(options);
+      module.exports.Notification = Growl;
+    }
+}
+
+// Expose notifiers to give full control.
+module.exports.NotifySend = NotifySend;
+module.exports.NotificationCenter = NotificationCenter;
+module.exports.WindowsToaster = WindowsToaster;
+module.exports.WindowsBalloon = WindowsBalloon;
+module.exports.Growl = Growl;